Slinkeys and springs are a great example of the production and visualization of waves. First, there are two types of waves, transverse and longitudinal. By making bigger waves/ adding a bigger pulse to the slinkey, the amplitude will increase and by increasing the speed in which you produce waves, the frequency will also increase. Interference also occurs when two waves meet. If a person at the end of the slinkey creates a wave at the same time you make another wave, the waves will interfere causing constructive or destructive interference. by performing different exercises with slinkeys and springs, we can observe how waves and by understanding the different motions between transverse and longitudinal waves.